unitree_sdk2_python

A Python interface to the Unitree SDK2 for controlling and reading the status of Unitree robots over DDS communication.

Made by Unitree Robotics.

Licenses

Code: BSD-3-Clause (opens in a new tab)
Read by Robotheca from LICENSE (opens in a new tab) (BSD-3-Clause) at commit 814556d (opens in a new tab), on 23 Oct 2026.
Commercial use: Unknown

It needs closed parts under their own terms: read them before any commercial use.

One part it needs is closed

Needs CRC helpers (prebuilt): Two precompiled crc_*.so helpers ship without source; a pure-Python fallback in the same file runs without them.

Maintains the same data structures and control methods as the unitree_sdk2 interface, with request-response or topic publish/subscribe.
Includes a DDS publisher/subscriber example for sending custom data structures between programs.
Provides high-level status reading and motion control, such as standing up, lying down, velocity, attitude, and trajectory tests.
Provides low-level status reading and motor control, where high-level motion service must be turned off first.
Reads the wireless controller key status and the front camera feed through OpenCV.
Includes examples for switching obstacle avoidance and adjusting volume and light brightness.

Written by Robotheca from the project's README (opens in a new tab) at commit 814556d.

Difficulty: Intermediate
Hardware it needs, as the project states it: Requires Python 3.8 or newer, cyclonedds 0.10.2, numpy and opencv-python, and a robot connected through a network interface. The front camera example needs a system with a graphical interface.
How to start: The project's README (opens in a new tab)

Checked on GitHub on 23 Oct 2026.

No robot on Robotheca is linked to it yet. Links come from a robot's robot.yaml, from its dependency files read as text, or from Robotheca's editors.

Robotheca lists software as a reference: nothing is hosted or run here, and every fact links to where it was read.